package section_06.regularExpression;


public class IntegerMatch {

	public static void main(String[] args) {
		System.out.println("-1234".matches("-?\\d+"));
		System.out.println("5678".matches("-?\\d+"));
		System.out.println("+911".matches("-?\\d+"));
		System.out.println("+811".matches("(-|\\+)?\\d+"));
		
	}
	
}
